NL7214340A - - Google Patents

Info

Publication number
NL7214340A
NL7214340A NL7214340A NL7214340A NL7214340A NL 7214340 A NL7214340 A NL 7214340A NL 7214340 A NL7214340 A NL 7214340A NL 7214340 A NL7214340 A NL 7214340A NL 7214340 A NL7214340 A NL 7214340A
Authority
NL
Netherlands
Application number
NL7214340A
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to NL7214340A priority Critical patent/NL7214340A/xx
Publication of NL7214340A publication Critical patent/NL7214340A/xx

Links

Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
    • A01G9/24—Devices or systems for heating, ventilating, regulating temperature, illuminating, or watering, in greenhouses, forcing-frames, or the like
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/19—Control of temperature characterised by the use of electric means
    • G05D23/1902—Control of temperature characterised by the use of electric means characterised by the use of a variable reference value
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/25—Greenhouse technology, e.g. cooling systems therefor

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
NL7214340A 1972-10-23 1972-10-23 NL7214340A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
NL7214340A NL7214340A (fr) 1972-10-23 1972-10-23

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7214340A NL7214340A (fr) 1972-10-23 1972-10-23

Publications (1)

Publication Number Publication Date
NL7214340A true NL7214340A (fr) 1974-04-25

Family

ID=19817214

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7214340A NL7214340A (fr) 1972-10-23 1972-10-23

Country Status (1)

Country Link
NL (1) NL7214340A (fr)

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Legal Events

Date Code Title Description
BV The patent application has lapsed